Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGH4y1GxcknVGmY/r9DaPmgaM2LoQOlO/q7yoGYt6UwNAEJTeuaT7+i+4zy… (844 chars)"
  }
}